Pains are largest torments on the life. Harms of visceral pains and nerve pains are greater. The best method for treating the pains is doctor seeing for diagnosis and treatment. But the pains often come suddenly, so that a person is often out of the wits, and the good opportunity for treatment is delayed. At the time, if a warning instrument for warning exists, many unnecessary pains will be reduced, and even though the life crisis will be defused. A click type light-emitting diode displaying (household) pain warning instrument has the effect, and the design product is a warning tool. The light emitting diode power-on principle is adopted, pressing pain and pain parts of the visceral pains and the nerve pains of the human body serve as target bodies, a diode is lighted in a click manner to display a label, and warning is completed. The click type light-emitting diode displaying (household) pain warning instrument is named due to the fact that the diode is powered on in the click mode to light to display warning contents. The design product is not complex in structure, not high in manufacturing cost and convenient to use, and has a large business opportunity. As the population of China is large, the design has the public welfare.